Home / 55,228.04-82,851.80-20,216.60

Finding the Fourth Proportional to 55,228.04, 82,851.80 and 20,216.60

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Solution

The fourth proportional to 55,228.04, 82,851.80 and 20,216.60 is: 30,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.04 : 82,851.80 = 20,216.60 : x
  2. Step 2: Convert to fraction form
    55,228.04/82,851.80 = 20,216.60/x
  3. Step 3: Cross multiply
    55,228.04x = 82,851.80 × 20,216.60
  4. Step 4: Simplify right side
    55,228.04x = 1,674,981,699.88
  5. Step 5: Solve for x
    x = 1,674,981,699.88/55,228.04
  6. Step 6: Final answer
    x = 30,328.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.